Pause the game. Now hold L1 and enter the following codes:
Level select:
Circle, X, Circle, Square, Square, Triangle, X, X. Note: This may also be done
at the main menu.
Unlock all doors:
Triangle, Square, Square, Triangle, X, Circle, Square, Triangle
Full map:
X, Circle, Square, Triangle, Triangle, Square, Circle, X
See ending:
Square, Triangle, Square, Square, Circle, Circle, X, Triangle
Full health:
Triangle, Triangle, X, Circle, Circle, X, Square, Square
Restore Ammo:
Square, Square, Circle, Triangle, X, Triangle, X, Triangle.
Invincible hostages:
Circle, Circle, Square, Triangle, X, Triangle, X, Circle.
All Main Guns:
X, Circle, Circle, Triangle, Square, X, Square, Circle.
Supermen:
X, Square, Triangle, Triangle, Circle, Square, X, X.
Player Invincibility:
Square, X, Triangle, Triangle, X, Square, Circle, Circle.
GameShark Codes
Infinite Health 8005518a2400 Infinite Ammo 80052bae2400 800ae5b60063 800ae8ea0063 800aec1e0063 All Missions Unlocked 8007e7e00001 80080b68000d Infinite Time 800cbaf22400 Infinite Health 8005518a2400 Infinite Ammo 80052bae2400 800ae5b60063 800ae8ea0063 800aec1e0063
Thanks to Revolution readers Sammy Robison, Derik Brouillard, Kevin Park, Ademar
R. Catingub, Jr., Brandon Hermance, Dan Macdonald, Nick, SeXyDiOn, joe, AJ Aranda,
Justin Cottrell, Brian A (littleman), Zell316, Brian Reese, venus, Mankid2000,
Steven Crampton, Diablo#4 and James Conklin!